Suppose that a company's monthly sales follow a normal distribution. The mean of this distribution is
The standard deviation of the distribution is a measure of the spread of the distribution, which in this case is
Step 1 :The normal distribution is defined by two parameters: the mean (
Step 2 :The mean of the distribution is the average value, which in this case is
Step 3 :The standard deviation of the distribution is a measure of the spread of the distribution, which in this case is